Phazonx said:
But the legal limit in the US is 5mw.
5mW? Where did you come up with that? I sell lasers in the hundreds of watts. As long as the system has the required safety systems (beam aperture shutter, on/off switch/ emission indicator light, remote interlock, beam on delay, and key switch) they can be purchased by anyone with the cash. These are not sold to individuals, however, because most individuals do not have 440 volt 3-phase power service to their homes. If they do, I'd be the first to ask why.
With all due respect, it sounds like you are one of the individuals who could ruin things for everyone. Did you contact the FAA to insure clear airspace for your over-the-horizon laser test? Any time you point a laser into the sky you must clear the airspace. You can argue until you are blue in the face but when you arbitrarily fire a laser onto a mountain with no regard or knowledge of what is on that mountain, or in-between, you are in the wrong. Are there people on the mountainside? More than likely no. Will it hurt anyone? No. But you are drawing attention doing something in an uncontrolled manner with a potentially dangerous device and potentially exposing the public to the output of that device. These are the contentions that will be brought against you by the police if you get caught.
You are also right, people can be scared of their own shadows but the elected officials listen to these scared people since they vote. Furthermore, it's not your voice the FDA hears in the complaints it receives.
When you choose to purchase or build a laser or any other system with a hazardous potential you also choose to accept the responsibility for using that system in a manner that will protect primarily the public, and to a lesser degree, yourself, from exposure to the potentially hazardous effects of its use. That is the personal contract you accept. As such, you will be held accountable, regardless of your age, for the results of its use. Lasers were never designed to be fun. They are first and foremost scientific instruments. The fact there is a fun factor associated with them is attached by the enthusiasts. Courts of law do not see the fun factor, they see a scientific instrument being used in a manner for which is was not designed nor intended.
Now don't get me wrong, whether individuals can or cannot possess laser systems doesn't really matter to me. I will still get to play with some pretty powerful systems due to the nature of my business. But there are many responsible laser owners out there who understand that ownership is a privilege, not a right.
/RANT OFF